Milankovitch Cycle Part 2

Question 1

What of the following must be met for another ice age in the Northern Hemisphere?

Accepted Answer

a minimum tilt (obliquity), winter when the Earth is closest to the Sun (see image), a nearly circular shape of Earth's orbit (min. eccentricity)

Question 2

How long will it take for Earth's tilt to complete a rotation?

Accepted Answer

26,000 years

Question 3

When the planet Earth is farther from the Sun, like in position 1, it is in______.

Accepted Answer

aphelion

Question 4

When the planet Earth is closer to the Sun, like in position 2, it is in______.

Accepted Answer

perihelion

Question 5

When the sun's tilt shifts over time in a circular pattern, like a spinning top, it is called..

Accepted Answer

Precession

Question 6

Right now, looking at the three cycles, our planet is ready for____

Accepted Answer

Neither

Question 7

In about 12,000 years our Northern Hemisphere will tilt towards the sun causing an intense____.

Accepted Answer

Summer

Questions 7